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Finding the Fourth Proportional to 671,890.01, 927,208.08 and 370,084.01

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Solution

The fourth proportional to 671,890.01, 927,208.08 and 370,084.01 is: 510,715.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,890.01 : 927,208.08 = 370,084.01 : x
  2. Step 2: Convert to fraction form
    671,890.01/927,208.08 = 370,084.01/x
  3. Step 3: Cross multiply
    671,890.01x = 927,208.08 × 370,084.01
  4. Step 4: Simplify right side
    671,890.01x = 343,144,879,714.76
  5. Step 5: Solve for x
    x = 343,144,879,714.76/671,890.01
  6. Step 6: Final answer
    x = 510,715.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.